<template>
    <el-dialog
        :title="!dataForm.id ? '新增' : '修改'"
        :close-on-click-modal="false"
        :visible.sync="visible"
    >
        <el-form
            :model="dataForm"
            :rules="dataRule"
            ref="dataForm"
            @keyup.enter.native="dataFormSubmit()"
            label-width="100px"
        >
            <el-form-item label="品牌名" prop="name">
                <el-input
                    v-model="dataForm.name"
                    placeholder="品牌名"
                ></el-input>
            </el-form-item>
            <el-form-item label="logo地址" prop="logo" alt="点击上传">
                <el-upload
                    alt="点击上传"
                    :show-file-list="false"
                    :on-success="handleAvatarSuccess"
                    :before-upload="beforeAvatarUpload"
                    :action="'http://localhost:9000/api/third/Oss/policy'"
                    class="avatar-uploader">                  
                    <img :src="dataForm.logo" height="100px" width="100px">
                </el-upload>
            </el-form-item>
            <el-form-item label="介绍" prop="descript">
                <el-input
                    v-model="dataForm.descript"
                    placeholder="介绍"
                ></el-input>
            </el-form-item>
            <el-form-item label="显示状态" prop="showStatus">
                <el-switch v-model="dataForm.showStatus" 
                active-color="#13ce66" 
                :active-value="1"
                :inactive-value="0"
                inactive-color="#ff4949"></el-switch>
            </el-form-item>
            <el-form-item label="检索首字母" prop="firstLetter">
                <el-input
                    v-model="dataForm.firstLetter"
                    placeholder="检索首字母"
                ></el-input>
            </el-form-item>
            <el-form-item label="排序" prop="sort">
                <el-input v-model.number="dataForm.sort" placeholder="排序"></el-input>
            </el-form-item>
        </el-form>
        <span slot="footer" class="dialog-footer">
            <el-button @click="visible = false">取消</el-button>
            <el-button type="primary" @click="dataFormSubmit()">确定</el-button>
        </span>
    </el-dialog>
</template>

<script>
export default {
    data() {
        return {
            visible: false,
            dataForm: {
                brandId: 0,
                name: "",
                logo: "https://huihui-avatar.oss-cn-hangzhou.aliyuncs.com/guli-shop/3d5901995b1a4be6be4ac31b914085d8.jpg",
                descript: "",
                showStatus: 1,
                firstLetter: "",
                sort: "",
            },
            dataRule: {
                name: [
                    {
                        required: true,
                        message: "品牌名不能为空",
                        trigger: "blur",
                    },
                ],
                logo: [
                    {
                        required: true,
                        message: "品牌logo地址不能为空",
                        trigger: "blur",
                    },
                ],
                descript: [
                    {
                        required: true,
                        message: "介绍不能为空",
                        trigger: "blur",
                    },
                ],
                showStatus: [
                    {
                        required: true,
                        message: "显示状态[0-不显示；1-显示]不能为空",
                        trigger: "blur",
                    },
                ],
                firstLetter: [
                    { validator: (rule, value, callback) => {
                        if(value == ''){
                            callback(new Error('首字母必须填写！'))
                        }else if(!/^[a-zA-Z]$/.test(value)){
                            callback(new Error('首字母必须在A-Z或a-z之间'))
                        }else{
                            callback()
                        }
                    },trigger: "blur"},
                ],
                sort: [
                    { validator: (rule, value, callback) => {
                        if(value == ''){
                            callback(new Error('排序字段不能为空！'))
                        }else if(!Number.isInteger(value) || value < 0){
                            callback(new Error('排序字段必须大于等于0'))
                        }else{
                            callback()
                        }
                    },trigger: "blur"},
                ],
            },
        };
    },
    methods: {
        init(id) {
            this.dataForm.brandId = id || 0;
            this.visible = true;
            this.$nextTick(() => {
                this.$refs["dataForm"].resetFields();
                if (this.dataForm.brandId) {
                    this.$http({
                        url: this.$http.adornUrl(
                            `/product/brand/info/${this.dataForm.brandId}`
                        ),
                        method: "get",
                        params: this.$http.adornParams(),
                    }).then(({ data }) => {
                        if (data && data.code === 0) {
                            this.dataForm.name = data.brand.name;
                            this.dataForm.logo = data.brand.logo;
                            this.dataForm.descript = data.brand.descript;
                            this.dataForm.showStatus = data.brand.showStatus;
                            this.dataForm.firstLetter = data.brand.firstLetter;
                            this.dataForm.sort = data.brand.sort;
                        }
                    });
                }
            });
        },
        // 图片上传成功调用的方法
        handleAvatarSuccess(res,file){
            this.dataForm.logo = res.data
        },
        // 图片上传之前执行的方法
        beforeAvatarUpload(file){
            const isJPG = file.type === 'image/jpeg'
            const isLt2M = file.size / 1024 / 1024 < 2

            if (!isJPG) {
              this.$message.error('上传头像图片只能是 JPG 格式!')
            }
            if (!isLt2M) {
              this.$message.error('上传头像图片大小不能超过 2MB!')
            }
            return isJPG && isLt2M
        },
        // 表单提交
        dataFormSubmit() {
            this.$refs["dataForm"].validate((valid) => {
                if (valid) {
                    this.$http({
                        url: this.$http.adornUrl(
                            `/product/brand/${
                                !this.dataForm.brandId ? "save" : "update"
                            }`
                        ),
                        method: "post",
                        data: this.$http.adornData({
                            brandId: this.dataForm.brandId || undefined,
                            name: this.dataForm.name,
                            logo: this.dataForm.logo,
                            descript: this.dataForm.descript,
                            showStatus: this.dataForm.showStatus,
                            firstLetter: this.dataForm.firstLetter,
                            sort: this.dataForm.sort,
                        }),
                    }).then(({ data }) => {
                        if (data && data.code === 0) {
                            this.$message({
                                message: "操作成功",
                                type: "success",
                                duration: 1500,
                                onClose: () => {
                                    this.visible = false;
                                    this.$emit("refreshDataList");
                                },
                            });
                        } else {
                            this.$message.error(data.msg);
                        }
                    });
                }
            });
        },
    },
};
</script>
